1 // Copyright (C) 2007-2010 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 #include <Standard_Stream.hxx>
25 #include <GEOMImpl_OffsetDriver.hxx>
26 #include <GEOMImpl_IOffset.hxx>
27 #include <GEOMImpl_Types.hxx>
28 #include <GEOM_Function.hxx>
30 #include <BRepOffsetAPI_MakeOffsetShape.hxx>
31 #include <BRep_Tool.hxx>
33 #include <TopoDS_Shape.hxx>
34 #include <TopoDS_Vertex.hxx>
38 #include <Precision.hxx>
41 #include <BRepCheck_Analyzer.hxx>
42 #include <ShapeFix_ShapeTolerance.hxx>
43 #include <ShapeFix_Shape.hxx>
45 #include <Standard_ConstructionError.hxx>
46 #include <StdFail_NotDone.hxx>
48 //=======================================================================
51 //=======================================================================
52 const Standard_GUID& GEOMImpl_OffsetDriver::GetID()
54 static Standard_GUID aOffsetDriver("FF1BBB51-5D14-4df2-980B-3A668264EA16");
59 //=======================================================================
60 //function : GEOMImpl_OffsetDriver
62 //=======================================================================
63 GEOMImpl_OffsetDriver::GEOMImpl_OffsetDriver()
67 //=======================================================================
70 //=======================================================================
71 Standard_Integer GEOMImpl_OffsetDriver::Execute(TFunction_Logbook& log) const
73 if (Label().IsNull()) return 0;
74 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
76 GEOMImpl_IOffset aCI (aFunction);
77 Standard_Integer aType = aFunction->GetType();
81 if (aType == OFFSET_SHAPE || aType == OFFSET_SHAPE_COPY) {
82 Handle(GEOM_Function) aRefShape = aCI.GetShape();
83 TopoDS_Shape aShapeBase = aRefShape->GetValue();
84 Standard_Real anOffset = aCI.GetValue();
85 Standard_Real aTol = Precision::Confusion();
87 if (Abs(anOffset) < aTol) {
88 TCollection_AsciiString aMsg ("Absolute value of offset can not be less than the tolerance value (");
89 aMsg += TCollection_AsciiString(aTol);
91 StdFail_NotDone::Raise(aMsg.ToCString());
94 BRepOffsetAPI_MakeOffsetShape MO (aShapeBase,
99 // 23.04.2010 skl for bug 21699 from Mantis
100 BRepCheck_Analyzer ana (aShape, Standard_True);
102 if (!ana.IsValid()) {
103 ShapeFix_ShapeTolerance aSFT;
104 aSFT.LimitTolerance(aShape, Precision::Confusion(),
105 Precision::Confusion(), TopAbs_SHAPE);
106 Handle(ShapeFix_Shape) aSfs = new ShapeFix_Shape(aShape);
108 aShape = aSfs->Shape();
111 Standard_ConstructionError::Raise("Boolean operation aborted : non valid shape result");
115 StdFail_NotDone::Raise("Offset construction failed");
120 if (aShape.IsNull()) return 0;
122 aFunction->SetValue(aShape);
124 log.SetTouched(Label());
130 //=======================================================================
131 //function : GEOMImpl_OffsetDriver_Type_
133 //=======================================================================
134 Standard_EXPORT Handle_Standard_Type& GEOMImpl_OffsetDriver_Type_()
137 static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
138 if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
139 static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
140 if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
141 static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
142 if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
145 static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
146 static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_OffsetDriver",
147 sizeof(GEOMImpl_OffsetDriver),
149 (Standard_Address)_Ancestors,
150 (Standard_Address)NULL);
155 //=======================================================================
156 //function : DownCast
158 //=======================================================================
159 const Handle(GEOMImpl_OffsetDriver) Handle(GEOMImpl_OffsetDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
161 Handle(GEOMImpl_OffsetDriver) _anOtherObject;
163 if (!AnObject.IsNull()) {
164 if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_OffsetDriver))) {
165 _anOtherObject = Handle(GEOMImpl_OffsetDriver)((Handle(GEOMImpl_OffsetDriver)&)AnObject);
169 return _anOtherObject ;